11216225

素因数分解:

$5^2\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 18

約数和(自身を含む): 14265270

約数和(自身を除く): 3049045

約数列:

[1, 5, 25, 71, 89, 355, 445, 1775, 2225, 5041, 6319, 25205, 31595, 126025, 157975, 448649, 2243245, 11216225]

約数ペア:

[(1, 11216225), (5, 2243245), (25, 448649), (71, 157975), (89, 126025), (355, 31595), (445, 25205), (1775, 6319), (2225, 5041)]